7BVF

Cryo-EM structure of Mycobacterium tuberculosis arabinosyltransferase EmbA-EmbB-AcpM2 in complex with ethambutol


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d17.0688
f_angle_d0.7779
f_chiral_restr0.0484
f_plane_restr0.0061
f_bond_d0.0053
Sample
Mycobacterium tuberculosis arabinosyltransferase EmbA-EmbB-AcpM2 in complex with ethambutol
Sample Components
EmbA and EmbB
AcpM
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles521803
Reported Resolution (Å)2.97
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)GATAN K3 (6k x 4k)GATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)505050
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONSerialEM3-7-3
MODEL FITTINGUCSF Chimera1.14
MODEL REFINEMENTPHENIX1.16
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION